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Marawacc Installation and Configuration

OpenCL backend for Graal. It also provides an API for directly compiling and running a Java application in map/reduce style to OpenCL via Graal.

Prerequisites

  • Oracle/OpenJDK jdk8_91 or jdk8_92 [1,2]
  • MX Tool [3]
  • OpenCL Driver >= 1.2 [4]
  • GCC <= 5.3.1 (GCC 6.X does not compile with this version of HotSpot)
  • Git >= 2.0

Current implementation tools and compilers

The current Java compiler is JDK8 1.8_91.

The current mx is the one provide in the Github repository.

Marawacc configuration

  1. Graal mx Tool
$ cd ~/bin/
$ git clone https://github.com/graalvm/mx
$ cd mx 
$ git checkout 900cc06  
$ cd --

Update the PATH to MX

$ export PATH=$HOME/bin/mx/:$PATH

Export JAVA_HOME and set DEFAULT_VM to server or jvmci

NOTE: Use JVMCI to use Graal with bootstrap

$ export JAVA_HOME=$HOME/bin/jdk1.8.0_91
$ export DEFAULT_VM="jvmci"

Then:

$ mkdir marawacc
$ cd marawacc
$ git clone git@github.com:jjfumero/jvmci-marawacc.git jvmci     ## Download JVMCI dependency
$ git clone git@github.com:jjfumero/truffle-marawacc.git truffle ## Download Truffle dependency
$ git clone https://github.com/jjfumero/graal-marawacc graal     ## Download Graal dependency
$ git clone git@github.com:jjfumero/marawacc.git marawacc
$ make

Check example

$ make sample  		# graal-jvmci compiler (recommended for Java apps)
$ make esample 		# with server compiler (for Truffle apps)

Import to Eclipse

Generate eclipse files:

$ make eclipse

Change the JVM in eclipse to the new modified Graal version:

Windows -> Preferences -> Java -> Installed JREs -> Add

Add the VM in marawacc/jvmci/jdkXX/product/ with the following options:

-jvmci -XX:-BootstrapJVMCI -XX:-UseJVMCIClassLoader -Dmarawacc.printOCLKernel=true -Dmarawacc.printOCLInfo=true

And give the name "GraalVM" for example.

To import the source code into eclipse:

File > Import > Existing Projects into Workspace

Select the marawacc directory. It will also import all the dependencies (Graal, Truffle and JVMCI).

Links

  1. http://www.oracle.com/technetwork/java/javase/downloads/index.html
  2. https://jdk8.java.net/download.html
  3. https://github.com/graalvm/mx
  4. https://wiki.tiker.net/OpenCLHowTo